<template>
  <div class="mod-config">
    <el-form
      :inline="true"
      :model="dataForm"
      @keyup.enter.native="getDataList()"
    >
      <el-form-item>
        <el-input
          v-model="dataForm.key"
          placeholder="属性名/属性值/备注"
          clearable
        ></el-input>
      </el-form-item>
      <el-form-item>
        <el-button @click="getDataList()">查询</el-button>
        <el-button
          v-if="isAuth('sys:saleattr:save')"
          type="primary"
          @click="addOrUpdateHandle()"
          >新增</el-button
        >
        <el-button
          v-if="isAuth('sys:saleattr:delete')"
          type="danger"
          @click="deleteHandle()"
          :disabled="dataListSelections.length <= 0"
          >批量删除</el-button
        >
      </el-form-item>
    </el-form>
    <el-table
      :data="nameList"
      v-loading="dataListLoading"
      style="width: 100%"
      row-key="id"
      lazy
      :tree-props="{ children: 'children', hasChildren: 'hasChildren' }"
      :load="loadChildrenData"
      :reserve-selection="true"

      @selection-change="selectionChangeHandle"
      @select-all="selectAllHandle"
    >
      <el-table-column
        type="selection"
        header-align="center"
        align="center"
        width="50"
        :selectable = "canSelectable"
      >
      </el-table-column>
      <!-- <el-table-column
        prop="id"
        header-align="center"
        align="center"
        label="ID">
      </el-table-column> -->
      <el-table-column
        prop="name"
        header-align="center"
        align="center"
        label="销售属性名"
      >
      </el-table-column>
      <el-table-column
        prop="attrValue"
        header-align="center"
        align="center"
        label="属性值"
      >
      </el-table-column>
      <el-table-column
        prop="remark"
        header-align="center"
        align="center"
        label="备注"
      >
      </el-table-column>
      <!-- <el-table-column
        prop="extraPrice"
        header-align="center"
        align="center"
        label="额外价格">
      </el-table-column> -->
      <el-table-column
        prop="createTime"
        header-align="center"
        align="center"
        label="创建时间"
      >
      </el-table-column>
      <el-table-column
        prop="updateTime"
        header-align="center"
        align="center"
        label="修改时间"
      >
      </el-table-column>
      <el-table-column
        fixed="right"
        header-align="center"
        align="center"
        width="150"
        label="操作"
      >
        <template slot-scope="scope">
          <el-button
            v-if="scope.row.id>0"
            type="text"
            size="small"
            @click="addOrUpdateHandle(scope.row.id)"
            >修改</el-button
          >
          <el-button
            v-if="scope.row.id>0"
            type="text"
            size="small"
            @click="deleteHandle(scope.row.id)"
            >删除</el-button
          >
        </template>
      </el-table-column>
    </el-table>

    <!-- <el-pagination
      @size-change="sizeChangeHandle"
      @current-change="currentChangeHandle"
      :current-page="pageIndex"
      :page-sizes="[10, 20, 50, 100]"
      :page-size="pageSize"
      :total="totalPage"
      layout="total, sizes, prev, pager, next, jumper">
    </el-pagination> -->

    <!-- 弹窗, 新增 / 修改 -->
    <add-or-update
      v-if="addOrUpdateVisible"
      ref="addOrUpdate"
      @refreshDataList="getDataList"
    ></add-or-update>
  </div>
</template>

<script>
import AddOrUpdate from './saleattr-add-or-update'
export default {
  data () {
    return {
      dataForm: {
        key: ''
      },
      // 名称列表
      nameList: [],
      dataList: [],
      pageIndex: 1,
      pageSize: 10,
      totalPage: 0,
      dataListLoading: false,
      dataListSelections: [],
      addOrUpdateVisible: false
    }
  },
  components: {
    AddOrUpdate
  },
  activated () {
    // this.getDataList()
    this.getDataList()
  },
  methods: {
    // 全选事件
    selectAllHandle (selection) {
      console.log('全选事件', selection)
      // if(this.nameList)
    },
    // 判断是否 可选
    canSelectable (row, index) {
      return !row.hasChildren
    },
    // 通过销售属性名 获取 销售属性
    async getSaleAttrByName (name) {
      let result = []
      console.log(name)
      await this.$http({
        url: this.$http.adornUrl('/saleattr/getbyname?name=' + name),
        method: 'get'
      }).then(({ data }) => {
        console.log(data)
        if (data && data.code === 0) {
          result = data.list
        } else {
          result = []
        }
      })

      return result
    },
    // 加载 children 数据
    async loadChildrenData (tree, treeNode, resolve) {
      console.log('loadChildrenData', tree, treeNode, resolve)
      const name = tree.name
      let children = await this.getSaleAttrByName(name)

      console.log('异步children', children)
      resolve(children)
    },
    // 名称列表
    getDataList () {
      this.dataListLoading = true
      this.$http({
        url: this.$http.adornUrl('/saleattr/all/name'),
        method: 'get',
        params: this.$http.adornParams({
          key: this.dataForm.key
        })
      })
        .then(({ data }) => {
          if (data && data.code === 0) {
            this.nameList = data.list

            // 处理nameList
            if (this.nameList) {
              for (let index = 0; index < this.nameList.length; index++) {
                this.nameList[index] = {
                  name: this.nameList[index],
                  hasChildren: true,
                  id: `${this.nameList[index]}${-index}`
                }
              }
            }
          } else {
            this.nameList = []
          }
        })
        .then(() => {
          this.dataListLoading = false
        })
    },

    // 每页数
    sizeChangeHandle (val) {
      this.pageSize = val
      this.pageIndex = 1
      this.getDataList()
    },
    // 当前页
    currentChangeHandle (val) {
      this.pageIndex = val
      this.getDataList()
    },
    // 多选
    selectionChangeHandle (val) {
      this.dataListSelections = val
    },
    // 新增 / 修改
    addOrUpdateHandle (id) {
      this.addOrUpdateVisible = true
      this.$nextTick(() => {
        this.$refs.addOrUpdate.init(id)
      })
    },
    // 删除
    deleteHandle (id) {
      var ids = id
        ? [id]
        : this.dataListSelections.map((item) => {
          return item.id
        })
      this.$confirm(
        `确定对[id=${ids.join(',')}]进行[${id ? '删除' : '批量删除'}]操作?`,
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).then(() => {
        this.$http({
          url: this.$http.adornUrl('/saleattr/delete'),
          method: 'post',
          data: this.$http.adornData(ids, false)
        }).then(({ data }) => {
          if (data && data.code === 0) {
            this.$message({
              message: '操作成功',
              type: 'success',
              duration: 1500,
              onClose: () => {
                this.getDataList()
              }
            })
          } else {
            this.$message.error(data.msg)
          }
        })
      })
    }
  }
}
</script>
